Living Soil Made Simple
Learn what Living Soil is, how soil life and nutrients interact, and the basics for getting started. With links to our detailed tutorials.
Read articleYour starting point in GrowLab
Living Soil foundations
Understand Living Soil, build your soil and care for it: our Beginner Guides take you from the first overview to common questions in the grow. Choose the topic that fits your next step.
Understand the system
Start with the relationship between soil, roots and microorganisms. These articles explain the foundations of Living Soil.
Soil biology explained simply – What every grower should understand
Many growers focus on fertilizers, pH levels, and irrigation. But the true foundation of any healthy plant lies in the soil or substrate itself.Soil biology is the driving force...
Read article
Cannabis & Soil Life: Why Cannabis Plants React Particularly Well to It
Many growers optimize lights, climate, genetics, and nutrients – but the most important aspect for healthy, high-yielding cannabis plants lies hidden: in soil life. The micro-wo...
Read article
Mycorrhizae in Living Soil – how fungi help plants transport nutrients
When people talk about Living Soil, many first think of bacteria or compost. However, an often-underestimated component of the soil ecosystem is fungi – especially mycorrhizal f...
Read more on this topicSoil and growing media
Your mix, container size and soil cover shape the root zone. Find the basics for building your growing medium here.
Building Living Soil Correctly: Mix, Structure, and the Difference Between Pot and Garden Bed
When it comes to living soil, many immediately focus on the ingredients: worm castings, compost, perlite, maybe a few organic additives – and the mix is ready.
Read article
Mixing Your Own Living Soil: The Complete Recipe for Living Cannabis Soil
If you want to mix Living Soil yourself, you need a suitable combination of base soil, worm castings, structural material and a nutrient base. Here you will find five recipes fo...
Read article
Living Soil Pot Size: Why True Living Soil Starts at ~40 Liters
Most growers are looking for: But they overlook the crucial factor: It's not the soil that determines if Living Soil works – it's the volume.
Read article
Mulch in Living Soil – Why a Mulch Layer is Key to Healthy Soil
In a functioning Living Soil system, it's not just the soil itself that plays a role. The soil surface is also an important part of the entire ecosystem.
Read article
Living Soil Cover Crop – Groundcover for an Active Soil Ecosystem
A functioning Living Soil system is based on a simple principle:The soil is not a passive substrate, but a living ecosystem of microorganisms, fungi, roots, and organic matter.
Read article
Forest soil is not right for your grow
We are back from the trade fair, and one topic came up strikingly often in conversations with growers, homegrowers and people from the "Living Soil corner": forest soil for cann...
Read article
Is a Drainage Layer Necessary in an Indoor Bed? Why Coarse Layers at the Bottom of the Bed Often Create More Problems Than They Solve
Expanded clay below, Living Soil above: This setup is so common in indoor beds that it is hardly questioned anymore. The reasoning sounds logical, after all. Coarse material has...
Read more on this topic
Mulch vs. Cover Crop in Living Soil
Most growers are currently making a critical mistake: They combine mulch and cover crop because it seems "natural" -without understanding if their system can even support it.
Read more on this topicWater and care
Watering starts with your growing medium and water supply. These guides explain the key connections.
Watering Living Soil Correctly: The Complete Guide for Pots and Large Beds
Water Living Soil according to the condition of the root zone, not according to a fixed schedule. Before each watering, check whether the soil has actually become drier since th...
Read article
How to properly water grow bags in living soil
Fabric pots are often described as being particularly beginner-friendly.This is partly true – they forgive classic overwatering mistakes better than plastic.
Read article
Bicarbonate in irrigation water
Most growers eventually deal with their water.Calcium, magnesium, EC, perhaps even the Ca:Mg ratio. And yet, many setups aren't stable. pH drifts.Deficiencies appear, even thoug...
Read article
CalMag 2:1, 3:1 or 4:1 - Which Ratio is Right?
Hardly any topic in the grow sector is as oversimplified as calcium and magnesium. Sometimes it's said that 3:1 is the right ratio.Then again, 4:1 is presented as the better sol...
Read article
pH Value and Nutrient Uptake in Cannabis: Why a Well-Nourished Plant Can Still Starve
The young leaves become lighter. The green disappears between the leaf veins. Spots appear on older leaves. Growth begins to slow. The plants were being fertilized regularly. Th...
Read more on this topic
Soil Analysis, Water Analysis and Nutrient Solution Analysis: Why Your Grow Needs More Than pH and EC
Pale leaves, spots, slowed development or a plant that fails to progress properly despite seemingly suitable feeding: In situations like these, the guessing game often begins.
Read more on this topicReuse and care for your soil
These further-reading articles explain how to keep Living Soil going after harvest and replenish organic nutrients.
No-Till Living Soil: Why truly living soil does not restart after every run
No-Till Living Soil means that your soil remains in the pot or bed after harvest and is disturbed as little as possible. Instead of emptying everything out, you inspect the soil...
Read more on this topic
Top Dressing in Living Soil – how to properly replenish organic nutrients during flowering
A functional Living Soil system supplies plants with nutrients through an active soil ecosystem. Microorganisms, fungi, and soil organisms break down organic matter and make nut...
Read more on this topicMore growing foundations
From location and light to plant problems: explore more essential growing topics.
The Grow Doctor: Why you'll finally recognize your cannabis problems correctly
It almost always starts the same way. You go to your plant, look at the leaves – and something isn't right.Maybe they're turning yellow. Maybe there are small spots. Maybe the p...
Read article
Cannabis yellow leaves – identify the causes and react correctly
Yellow leaves are among the most common problems in cannabis growing. Almost every grower experiences leaves discolouring, becoming lighter, or turning completely yellow at some...
Read article
Recognizing cannabis root rot
Root rot is one of the most dangerous problems in cannabis cultivation. While many plant problems initially only affect the foliage, root rot directly attacks the foundation of ...
Read article
Fungus Gnats in Your Grow – Causes, Damage, and Biological Solutions
Fungus gnats are one of the most common problems in indoor grows. These small black flies may seem harmless at first, but they can quickly become a serious issue – especially in...
Read article
Outdoor Cannabis Cultivation: The Complete Guide from Seed to Harvest
Growing outdoor cannabis seems simple at first glance, but in Central Europe, it is significantly more complex than often assumed. While all parameters can be controlled indoors...
Read article
Balcony Grow Guide: Growing Cannabis on Your Balcony - The Most Comprehensive Guide
For many, growing cannabis on a balcony seems like the easiest way to start. No technical setup, no high costs, no complicated systems. A pot, soil, sun, and you're good to go.
Read article
Identifying Cannabis Light Stress: Why You Don't Need to Measure Every Value
Cannabis is a light-driven plant. Without light, there's no growth, no structure, no yields. And yet, a fundamental error in thinking is currently happening right here:
Read article
Canopy Management in Cannabis Cultivation
Canopy Management is not “training plants.”It is the deliberate control of a biological system under artificial conditions. You always work with three factors simultaneou...
Read article
Why AI Is Ruining Your Grow
A yellow leaf is photographed. Two images are uploaded to ChatGPT, Claude, Gemini, or another AI system. A sentence such as this is added: “What is my plant lacking?”
Read articleWould you like to explore a topic further or read our latest articles?
All GrowLab articles